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Iran gives up possible nuclear blueprints

VIENNA, Austria - Iran has met a key demand of the U.N. nuclear agency, handing over long-sought blueprints showing how to mold uranium metal into the shape of warheads, diplomats said Tuesday.

Iran's decision to release the documents, which were seen by U.N. inspectors two years ago, was seen as a concession designed to head off the threat of new U.N. sanctions. But the diplomats said Tehran has failed to meet other requests made by the International Atomic Energy Agency in its attempts to end nearly two decades of nuclear secrecy on the part of Iran.

The diplomats spoke as IAEA chief Mohamed ElBaradei put the finishing touches on his latest report to his agency's 35-nation board of governors for consideration next week.